Prezentat acum: Olanda - Timbre poştale (1920 - 1929) - 9 timbre.
31. Martie WM: Niciunul Design: Daniël Knuttel, Heinrich Raeder y Louis-Eugène Mouchon. Gravură: Joh. Enschedé. Perforare: 12½
![[No. 93 Overprinted, Tip T]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/T-s.jpg)
1. Mai WM: Niciunul Design: Chris Lebeau. Gravură: Joh. Enschedé. Perforare: 12½
![[Airmail, Tip U]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U-s.jpg)
![[Airmail, Tip U1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U1-s.jpg)
![[Airmail, Tip U2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U2-s.jpg)
WM: Niciunul Design: Daniël Knuttel, Heinrich Raeder y Louis-Eugène Mouchon. Gravură: Joh. Enschedé. Perforare: 12½
![[New Values, Tip J33]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/J33-s.jpg)
![[New Values, Tip J34]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/J34-s.jpg)
5. August WM: Niciunul Design: Joh. Enschedé y Joseph Vürtheim. Gravură: Joh. Enschedé. Perforare: 12½
![[New Daily Stamp, Tip V]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V-s.jpg)
![[New Daily Stamp, Tip V1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V1-s.jpg)
![[New Daily Stamp, Tip V2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V2-s.jpg)